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Solnce55 [7]
4 years ago
7

Can someone help me with this please !!

Mathematics
2 answers:
pogonyaev4 years ago
7 0

add all amd divide by the 40 ???let me know if im wrong

vaieri [72.5K]4 years ago
7 0

I think Maria is correct I hope that she could have helped you

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Perform the operation.<br> (9x2 + 6x – 7) + (-9x - 5)<br><br> PLS HELP ASAP PLS
qaws [65]

Answer:

21

Step-by-step explanation:

(9x2 + 6x – 7) + (-9x - 5) = 21

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NEED HELP RIGHT AWAY DONT HAVE ANY TIME TO WAIT!!
Fiesta28 [93]
Question 1:
------------------------

Total points = 100
Total question = 40
Type of questions : 2-points question and 4-points questions

Assumed all 40 questions are 2-points questions.
Total points = 40 x 2 = 80

Difference in points = 100 - 80 = 20 points
Difference in the 2 type of questions = 4 - 2 = 2

Number of 4 marks questions = 20 ÷ 2 = 10 

Number of 2 marks questions = 40 - 10 = 30

Answer: There are 10 4-marks questions and 30 2-marks questions.

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Question 2:
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Let x be the number of offices you need to clean.

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Total revenue = 25x

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Question 3:
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Total distance (including return trip) = 255 + 255 = 510 miles

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Speed = Distance ÷ time

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Mae's cat weighs 5 pounds.
nadezda [96]

If it’s 5% then it’s 0.05

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Solve for x if 2(5x + 2)2 = 48
kicyunya [14]

x = 2

step  1  :

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Pulling out like terms :

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step  4  :

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Equations which are never true :

     Solve :    20   =  0

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

  Solve  :    x-2 = 0  

Add  2  to both sides of the equation :  

                     x = 2

5 0
3 years ago
What is the anwser for the math problem below <br>what is 13÷236 <br>PLEASE ANWSER ASAP.​
hodyreva [135]

Answer: 0.05508474576

Step-by-step explanation:

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